/**
* Copyright 2011-2013 Akiban Technologies, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* The original from which this derives bore the following: */
/*
Derby - Class org.apache.derby.impl.sql.compile.PrivilegeNode
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to you under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package com.akiban.sql.parser;
import com.akiban.sql.StandardException;
/**
* This node represents a set of privileges that are granted or revoked on one object.
*/
public class PrivilegeNode extends QueryTreeNode
{
public static enum ObjectType {
TABLE_PRIVILEGES, ROUTINE_PRIVILEGES, SEQUENCE_PRIVILEGES, UDT_PRIVILEGES
}
public static final String USAGE_PRIV = "USAGE";
//
// State initialized when the node is instantiated
//
private ObjectType objectType;
private TableName objectName;
private TablePrivilegesNode specificPrivileges; // Null for routine and usage privs
private RoutineDesignator routineDesignator; // Null for table and usage privs
private String privilege; // E.g., USAGE_PRIV
private boolean restrict;
/**
* Initialize a PrivilegeNode for use against SYS.SYSTABLEPERMS and SYS.SYSROUTINEPERMS.
*
* @param objectType (an Integer)
* @param objectOfPrivilege (a TableName or RoutineDesignator)
* @param specificPrivileges null for routines and usage
*/
public void init(Object objectType, Object objectOfPrivilege,
Object specificPrivileges)
throws StandardException {
this.objectType = (ObjectType)objectType;
switch(this.objectType) {
case TABLE_PRIVILEGES:
objectName = (TableName)objectOfPrivilege;
this.specificPrivileges = (TablePrivilegesNode)specificPrivileges;
break;
case ROUTINE_PRIVILEGES:
routineDesignator = (RoutineDesignator)objectOfPrivilege;
objectName = routineDesignator.name;
break;
default:
assert false;
}
}
/**
* Initialize a PrivilegeNode for use against SYS.SYSPERMS.
*
* @param objectType E.g., SEQUENCE
* @param objectName A possibles schema-qualified name
* @param privilege A privilege, e.g. USAGE_PRIV
* @param restrict True if this is a REVOKE...RESTRICT action
*/
public void init(Object objectType, Object objectName, Object privilege,
Object restrict) {
this.objectType = (ObjectType)objectType;
this.objectName = (TableName)objectName;
this.privilege = (String)privilege;
this.restrict = ((Boolean)restrict).booleanValue();
}
/**
* Fill this node with a deep copy of the given node.
*/
public void copyFrom(QueryTreeNode node) throws StandardException {
super.copyFrom(node);
PrivilegeNode other = (PrivilegeNode)node;
this.objectType = other.objectType;
this.objectName = (TableName)getNodeFactory().copyNode(other.objectName,
getParserContext());
this.specificPrivileges = (TablePrivilegesNode)getNodeFactory().copyNode(other.specificPrivileges,
getParserContext());
if (other.routineDesignator != null)
this.routineDesignator =
new RoutineDesignator(other.routineDesignator.isSpecific,
(TableName)getNodeFactory().copyNode(other.routineDesignator.name,
getParserContext()),
other.routineDesignator.isFunction,
other.routineDesignator.paramTypeList);
this.privilege = other.privilege;
this.restrict = other.restrict;
}
}